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【简答题】
a)证明，在带形Ⅱ={(x，y)|0＜x＜1，-∞＜y＜+∞}内的狄利克雷问题 △u=0 在Ⅱ内，u| x=0 =φ 1 (y)I，u| x=1 =φ 2 (y)的解不唯一，其中φ 1 ，φ 2 ∈C b) 上述问题加上补充条件 u(x，y)→0，当|y|→∞时，其解是否唯一?
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反馈参考答案：
举一反三
【单选题】SQL Server 为每个触发器创建了两个临时表（ ）。
A.
Inserted和Updated
B.
Inserted和Deleted
C.
Updated和Deleted
D.
Selected和Inserted
【单选题】---You were out when I went to your house this morning. ---Oh, I _______ for a friend from England at the airport.
A.
was waiting
B.
waited
C.
am waiting
D.
have waited
【单选题】Every day after I went home, if not _______ from work, I will go out for a walk with my wife.
A.
tiring
B.
to be tire
C.
tired
D.
being tired
【单选题】I went to the Lincoln Memorial yesterday, _____, not surprisingly, was crowded with visitors from all over the world.
A.
where
B.
which
C.
as
D.
what
【单选题】SQL Server为每个触发器创建了两个临时表，它们是()。
A.
INSERTED和UPDATED
B.
INSERTED 和DELETED
C.
UPDATED 和DELETED
D.
SELECTED 和INSERTED
【单选题】SQL Server为每个触发器创建了两个临时表是( )。
A.
SELECTED和DELETED
B.
DELETED和UPDATED
C.
INSERTED和UPDATED
D.
INSERTED和DELETED
【简答题】(任选题,30分)航空公司新增运力后,可以采取哪些措施消化运力?
【单选题】—Have you ever heard from your aunt since she went to Hongkong? —Yes, I've just got a letter from _____. [ ]
A.
her
B.
hers
C.
she
D.
herself
【单选题】人际关系学认为,人际交往是一个互动的过程,一方的善意行为必然引起另一方的酬谢,而这种酬谢又将进一步使对方产生好感,并发出新的善意行为。这说明说“谢谢”可以()
A.
表达自我情感
B.
尊重和恭维对方
C.
强化对方的好感
D.
容易让人忘乎所以
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